This is a picture of a square pyramid and the net for the square pyramid.
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Well, there's 360 degrees in a full circle.
If the hand moves 1/4 of a complete revolution, divide 360 by 4.
The minute hand moved 90 degrees.
If the hand moves 1/4 of a complete revolution, divide 360 by 4.
The minute hand moved 90 degrees.
I'm sorry but the solution you proposed was a bit hard to follow, so I'll just post my solution: we convert "2 and 1/2" to a single fraction:
So, we know that 5/2 gallons cost 60 dollars, which means
To find the cost of a single gallon, we have to solve the equation for g: